PSN-L Email List Message
Subject: Re: ebay auction
From: BOB BARNS royb1@...........
Date: Sat, 27 Mar 2004 13:24:56 -0500
I'm sure that your explanation of some of the things I find on ebay
are helpful to a lot of people. Thanks for taking the time.
Doug Crice wrote:
> This is a very nice short-period seismometer, probably about 1 Hz natural
> frequency, still available from Kinemetrics. Read about it at
> http://www.kinemetrics.com/ss1.html. It (or maybe even three) would be an
> excellent addition to any seismic system.
> They are called Ranger Seismometers because they were originally developed
> for the Ranger missions to the moon. Before we put people on the moon, we
> put these seismometers (in a triaxial configuration) there to look for
> "moonquakes". They can be used in any axis by adjusting the screw on top.
> Doug Crice
> Geostuff http://www.georadar.com/geostuff.htm
> 12996 Somerset Drive phone 1-530-274-4445
> Grass Valley, CA 95945 USA fax 1-530-274-4446
> -----Original Message-----
> From: psn-l-request@.............. [mailto:psn-l-request@............... On
> Behalf Of BOB BARNS
> Sent: Saturday, March 27, 2004 6:54 AM
> To: psn mail
> Subject: ebay auction
> Hi gang,
> Geology Telemetrics Ranger Seismometer Test Probe Item number:
> 3806477434 ends 4/2
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